68971680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 237523104

約数和(自身を除く): 168551424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 227, 240, 288, 360, 422, 454, 480, 633, 681, 720, 844, 908, 1055, 1135, 1266, 1362, 1440, 1688, 1816, 1899, 2043, 2110, 2270, 2532, 2724, 3165, 3376, 3405, 3632, 3798, 4086, 4220, 4540, 5064, 5448, 6330, 6752, 6810, 7264, 7596, 8172, 8440, 9080, 9495, 10128, 10215, 10896, 12660, 13620, 15192, 16344, 16880, 18160, 18990, 20256, 20430, 21792, 25320, 27240, 30384, 32688, 33760, 36320, 37980, 40860, 47897, 50640, 54480, 60768, 65376, 75960, 81720, 95794, 101280, 108960, 143691, 151920, 163440, 191588, 239485, 287382, 303840, 326880, 383176, 431073, 478970, 574764, 718455, 766352, 862146, 957940, 1149528, 1436910, 1532704, 1724292, 1915880, 2155365, 2299056, 2873820, 3448584, 3831760, 4310730, 4598112, 5747640, 6897168, 7663520, 8621460, 11495280, 13794336, 17242920, 22990560, 34485840, 68971680]

約数ペア:

[(1, 68971680), (2, 34485840), (3, 22990560), (4, 17242920), (5, 13794336), (6, 11495280), (8, 8621460), (9, 7663520), (10, 6897168), (12, 5747640), (15, 4598112), (16, 4310730), (18, 3831760), (20, 3448584), (24, 2873820), (30, 2299056), (32, 2155365), (36, 1915880), (40, 1724292), (45, 1532704), (48, 1436910), (60, 1149528), (72, 957940), (80, 862146), (90, 766352), (96, 718455), (120, 574764), (144, 478970), (160, 431073), (180, 383176), (211, 326880), (227, 303840), (240, 287382), (288, 239485), (360, 191588), (422, 163440), (454, 151920), (480, 143691), (633, 108960), (681, 101280), (720, 95794), (844, 81720), (908, 75960), (1055, 65376), (1135, 60768), (1266, 54480), (1362, 50640), (1440, 47897), (1688, 40860), (1816, 37980), (1899, 36320), (2043, 33760), (2110, 32688), (2270, 30384), (2532, 27240), (2724, 25320), (3165, 21792), (3376, 20430), (3405, 20256), (3632, 18990), (3798, 18160), (4086, 16880), (4220, 16344), (4540, 15192), (5064, 13620), (5448, 12660), (6330, 10896), (6752, 10215), (6810, 10128), (7264, 9495), (7596, 9080), (8172, 8440)]